This screencast is a part of the epic learning series "Four weeks of Drupal", chapter "Writing a module". You can view the full series at http://dev.nodeone.se/en/four-weeks-of-drupal.

Please post any comments over there, or we won't see them. Sorry.
---
This screencast present little new information about writing Drupal modules, but shows some cleanup work for the Word list configuration page â allowing it to take care of unexpected data.
Some Drupal specific topics included in this screencast:
* Using the t() function with replacements
* Using the Drupal equivalent of strlen (and other str functions)
* Seeing Coder react on bad code
* Discussion on where to add cleanup logic

code changes in wordlist.module

function wordlist_save_list(array $words) {
// Check if the list of words contain any empty strings, and remove them.
$removed = 0;
foreach ($words as $key => $word) {
if (drupal_strlen($word) == 0) {
unset($words[$key]);
$removed++;
}
}

// If any strings were removed, notify the user.
if ($removed > 0) {
drupal_set_message(t(
'Removed @number empty words.',
array('@number' => $removed))
);
}

// Store the words in the variables table.
variable_set('wordlist_words', $words);
}

---
This screencast is a part of the epic learning series "Four weeks of Drupal", chapter "Writing a module". You can view the full series at http://dev.nodeone.se/en/four-weeks-of-drupal.

Please post any comments over there, or we won't see them. Sorry.


This movie is part of the collection: Community Video

Producer: Johan Falk/NodeOne
Audio/Visual: sound
Keywords: Drupal; 4 weeks of Drupal; NodeOne; coding

Creative Commons license: Attribution-Noncommercial-Share Alike 3.0

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